IRDC3802A Datasheet, PDF(8/16 Page) International Rectifier – USER GUIDE FOR IR3802A EVALUATION BOARD

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IRDC3802A Datasheet, PDF (8/16 Pages) International Rectifier – USER GUIDE FOR IR3802A EVALUATION BOARD

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TYPICAL OPERATING WAVEFORMS

Vin=Vcc=12.0V, Vo=3.3V, Io=0- 6A, Room Temperature, No Air Flow

IRDC3802A

Fig. 7: Start up at 6A Load

Ch1:Vin, Ch2:VSS, Ch3:Vout, Ch4:Iout

Fig. 8: Pre-Bias Start up, 0A Load

Ch1:Vin, Ch2:VSS, Ch3:Vout

Fig. 9: Output Voltage Ripple, 6A load

Ch1: Vout ,Ch4: Iout

Fig. 10: Inductor node at 6A load

Ch1:LX, Ch4:Iout

Fig. 11: Short (Hiccup) Recovery

Ch1:VSS , Ch2:Vout

Rev 0.1

6/9/2008

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